Stockholders' Equity - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net income	$ 226,392	$ 205,384	$ 184,626
Denominator:
Basic weighted average shares outstanding	108,191,635	108,680,459	111,710,676
Effect of dilutive securities:
Diluted weighted average shares outstanding	108,322,576	108,809,403	111,880,488
Basic earnings per share	$ 2.09	$ 1.89	$ 1.65
Diluted earnings per share	$ 2.09	$ 1.89	$ 1.65
Stock appreciation rights [Member]
Effect of dilutive securities:
Dilutive securities	51,097	71,406	94,859
Restricted stock [Member]
Effect of dilutive securities:
Dilutive securities	79,844	57,538	74,953